<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    p{
      width: 5000px;
      height: 2000px;
      background-image: url(images/sucai.png);
      /*fixed固定 scroll滚动*/
      background-attachment: scroll;
    }
  </style>
</head>
<body>
<p>段落</p>
</body>
</html>